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Sensor system to determine the supersaturation in industrial batch processes

Sensorsystem zur Messung der Übersättigung in industriellen Batch-Kristallisatoren
 
: Endres, H.-E.; Neumeier, K.; Hammerl, E.; Drost, S.; Müller, R.; Löffelmann, M.; Mersmann, A.

Univ. of Minho:
Eurosensors XVII. Book of Abstracts
Guimaraes, 2003
ISBN: 972-98603-1-9
S.470-471
Eurosensors <17, 2003, Guimaraes, Portugal>
Englisch
Konferenzbeitrag
Fraunhofer IZM ()
Interdigitated capacitor (IDC) sensor; surface acoustic wave sensors; SAW; crystallization process; multivariate signal evaluation; Partial Least Square (PLS)

Abstract
The supersaturation is an essential parameter to control industrial batch crysta llization processes. Until now a quantitative online measurement of supersaturat ion was not possible. A new sensor system consist-ing of an interdigitated capac itor (IDC) and a surface acoustic wave transducer is mounted on top of a peltier element, which allows a thermal cycling around the crystallization temperature. Together with a multivariate signal evaluation the online measurement of the su persaturation could be demonstrated.

: http://publica.fraunhofer.de/dokumente/N-18688.html